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The resistive-wire thermometer is then calibrated against a Hg thermometer. The resistance in terms of the temperature t on the Celsius scale can be optimally fitted by the expression R = R0(1 + alpha t + beta t2) where alpha = 3.80 Times 10-3 degree C-1 and beta = -3.00 Times 10-6 degree C-2. Which temperature t would the Hg thermometer measure at the probe? Explain the origin of any discrepancy between the two measurements.
Two small metallic spheres, each of mass 0.30g, are suspended as pendulums by light strings from a common point, calculate the magnitude of the charge on each sphere
High-speed stroboscopic photographs show that the head of a 260 g golf club is traveling at 54 m/s just before it strikes a 46 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44 m/s. Find the speed ..
A bag of cement of weight 375 N hangs from three wires as suggested in Figure P5.18. Two of the wires make angles θ1 = 55.0° and θ2 = 25.0° with the horizontal. If the system is in equilibrium, find out the tensions in the wires.
What is wave speed
A skier starts from rest at the top of a hill that is inclined at 10.2° with the horizontal. The hillside is 150 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient..
Type your question hereA uniform line of charge that is 5.00cm long has a total charge of 6.00uC. What is the electric field (given in magnitude and direction) at the electron
q1. a 500.0 g pot of water at room temperature 20.0 degrees c is placed on a stove. how much heat is required to change
Starting from rest, a boulder rolls down a hill with constant acceleration and travels 4.00 during the first second. How fast is it moving at the end of the first second
How far must it now sail to reach its original destination. find the potential energy of the system.
A baseball is hit with a speed of 30ms-1 at an angle of 40degrees. It land`s on the flat roof of a nearby building with a height of 14 m. If the ball was hit when it was 1.40 m above the ground, what horizontal distance does it travel before it la..
A cylinder of gas is at room temperature (20Â°C). What is the new pressure of the gas relative to its initial pressure
In a TV-show, an inexperienced doctor touches the electrodes of a defibrillator and gets thrown across the room, what is the maximum height above ground he could reach
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